KRYPTON KR-81M
UNII 68QN45K12N

Substance Identification & Data

This profile provides standardized clinical and technical data for Krypton Kr-81m, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 68QN45K12N.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 15678-91-8 and the RxNorm Concept ID (RxCUI) N/A. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

68QN45K12N

CAS Registry Number

15678-91-8

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

KRYPTON KR-81M

Official standardized name for this substance within the FDA UNII nomenclature system.

InChIKey

Kr

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

DNNSSWSSYDEUBZ-OIOBTWANSA-N

Line notation for describing the chemical structure and connectivity of atoms.

NCI Thesaurus

C76281

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

66380

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

ISO 11238 classification category (e.g., Chemical, Polymer, Protein).

Ingredient Role

[81Kr]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Krypton Kr-81m. Identifiers are organized into official regulatory terms, commercial trade names, and technical systematic synonyms used to ensure accurate identification across clinical pharmaceutical databases, regulatory filings, and electronic health records.